| 苍耳提取液与植物内生真菌抗菌活性研究(英文) |
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| 引用本文： | 祁力言,刘丽丽,于平儒,陈凤美.苍耳提取液与植物内生真菌抗菌活性研究(英文)[J].农业科学与技术,2008,9(4):144-148. |
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| 作者姓名： | 祁力言 刘丽丽 于平儒 陈凤美 |
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| 作者单位： | 无锡市农林局林业站;徐州师范大学江苏省药用植物生物技术重点实验室 |
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| 基金项目： | 科技部微生物资源平台项目 |
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| 摘 要： | Objective] The study was aimed to provide theoretical foundation for developing a new fungicide with high activity,low toxicity and low residua.Method] Based on the plant growth rate and inhibition zone methods,the antifungal activity of extracts of every organ of Xanthium sibiricum,the fermentation liquid of endophytic fungi MC4-23,and the extract of mycelium were tested with six kinds of pathogenic fungi and three kinds of pathogenic bacteria respectively.Result] The extract of every organ of Xanthium sibiricum,the fermentation liquid of endophyic fungi MC4-23,and the extract of mycelium all had antifungal activities.The acetone extracts of Xanthium sibiricum had stronger antifungal activities than the ethanol extracts of Xanthium sibiricum.The extracts of leaf have the strongest antifungal activities against fungi and bacteria.The inhibition rates of the six pathogenic fungi were all above 47.8%,and the inhibition diameters of the three pathogenic bacteria were all above 0.5 centimeter.The fermentation liquid of endophytic fungi also had strong activities against the fungi and bacteria.The inhibition rates of the six pathogenic fungi were all above 68.1%.The extracts of root of Xanthium sibiricum and the mycelium of endophytic fungi were all had antifungal activities.Conclusion] Xanthium sibiricum and endophyic fungi MC4-23 had great value of development and utilization.
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| 关 键 词： | Xanthium sibiricum Endophytic fungi Antifungal activity |
Preliminary Studies on Antifungal Activity of Xanthium sibiricum and the Endophytic Fungi |
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| QI Li-yan,LIU Li-li,YU Ping-ru,CHEN Feng-mei.Preliminary Studies on Antifungal Activity of Xanthium sibiricum and the Endophytic Fungi[J].Agricultural Science ＆ Technology,2008,9(4):144-148. |
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| Authors: | QI Li-yan LIU Li-li YU Ping-ru CHEN Feng-mei |
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| Institution: | 1.Forest station of Wuxi Agroforestry Bureau Wuxi 221000;2.Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu,Xuzhou Normal University,Xuzhou 221116 |
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| Abstract: | Objective] The study was aimed to provide theoretical foundation for developing a new fungicide with high activity, low toxicity and low residua.Method] Based on the plant growth rate and inhibition zone methods, the antifungal activity of extracts of every organ of Xanthium sibiricum, the fermentation liquid of endophytic fungi MC4-23, and the extract of mycelium were tested with six kinds of pathogenic fungi and three kinds of pathogenic bacteria respectively.Result] The extract of every organ of Xanthium sibiricum, the fermentation liquid of endophyic fungi MC4-23, and the extract of mycelium all had antifungal activities. The acetone extracts of Xanthium sibiricum had stronger antifungal activities than the ethanol extracts of Xanthium sibiricum. The extracts of leaf have the strongest antifungal activities against fungi and bacteria. The inhibition rates of the six pathogenic fungi were all above 47.8%, and the inhibition diameters of the three pathogenic bacteria were all above 0.5 centimeter. The fermentation liquid of endophytic fungi also had strong activities against the fungi and bacteria. The inhibition rates of the six pathogenic fungi were all above 68.1%.The extracts of root of Xanthium sibiricum and the mycelium of endophytic fungi were all had antifungal activities. Conclusion] Xanthium sibiricum and endophyic fungi MC4-23 had great value of development and utilization. |
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| Keywords: | Xanthium sibiricum Endophytic fungi Antifungal activity |
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